:root{color-scheme:light dark;--bg:#fbfaf7;--fg:#1d2a2a;--muted:#55625f;--card:#ffffff;--line:#c9d2cf;--accent:#1f5f5b;--accent-fg:#ffffff;--bad:#9b2c2c}
@media (prefers-color-scheme:dark){:root{--bg:#141a1a;--fg:#e9efed;--muted:#a9b6b3;--card:#1c2424;--line:#3a4745;--accent:#6bc2bb;--accent-fg:#0d1515;--bad:#f09a9a}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
main{max-width:40rem;margin:0 auto;padding:1rem 16px 4rem}h1{font-size:1.5rem;margin:1rem 0}h2{font-size:1.2rem;margin:1.5rem 0 .5rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:.5rem;padding:1rem;margin:1rem 0}
fieldset{border:0;padding:0;margin:0 0 1.25rem}legend{font-weight:600;padding:0;margin-bottom:.25rem}.note{color:var(--muted);margin:.25rem 0}
label{display:block;margin:.35rem 0}.row{display:flex;gap:.5rem;align-items:flex-start}.row input{margin-top:.3rem}
input[type=text],input[type=email],input[type=number],textarea{width:100%;font:inherit;padding:.5rem;border:1px solid var(--line);border-radius:.35rem;background:var(--bg);color:var(--fg)}
textarea{min-height:6rem}button{font:inherit;padding:.6rem 1rem;border-radius:.4rem;border:1px solid var(--accent);background:var(--accent);color:var(--accent-fg);cursor:pointer;margin:.25rem .5rem .25rem 0}
button.secondary{background:transparent;color:var(--accent)}button.danger{background:transparent;color:var(--bad);border-color:var(--bad)}
a.button{display:inline-block;font:inherit;padding:.6rem 1rem;border-radius:.4rem;background:var(--accent);color:var(--accent-fg);text-decoration:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.err{color:var(--bad);font-weight:600}.notice{font-weight:600}.hidden{display:none}
dl{margin:0}dt{font-weight:600;margin-top:.75rem}dd{margin:.15rem 0 0 0}
/* the chat window (web/index.html) */
.chat main{display:flex;flex-direction:column;min-height:100vh;padding-bottom:1rem}
.log{flex:1;display:flex;flex-direction:column;gap:.75rem;margin:1rem 0}
.bubble{max-width:90%;padding:.75rem 1rem;border-radius:.75rem;border:1px solid var(--line);white-space:pre-wrap;overflow-wrap:anywhere;font-size:1.0625rem}
.bubble.me{align-self:flex-end;background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}
.bubble.jackson{align-self:flex-start;background:var(--card)}
.bubble.system{align-self:center;color:var(--muted);background:transparent;border-style:dashed}
.composer{position:sticky;bottom:0;background:var(--bg);padding:.5rem 0 0}
.composer textarea{min-height:4.5rem;font-size:1.0625rem}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem;margin-top:.25rem}